by Sunday | Dec 24 | Biology JAMB
A. chemicals –> olfactory nerve endings –> brain B. dissolved chemicals –> nasal sensory cells –> brain C. chemicals –> mucus membrane sensory cells –> brain D. dissolved chemicals –> sensory cells...
by Sunday | Dec 24 | Biology JAMB
A. aerenchyma tissues B. dissected leaves C. thin cell walls of the epidermis D. water-repelling epidermis Correct Answer: Option A – aerenchyma tissues Explanation Aerenchyma is found in hydrophytes like water lily. This tissue encloses air and provides...
by Sunday | Dec 24 | Biology JAMB
A. pelvic girdle, fore and hind limbs B. pelvic girdle and fore limbs C. lumbar vertebrae and pelvic girdle D. lumbar vertebrae, fore and hind limbs Correct Answer: Option A – pelvic girdle, fore and hind limbs Explanation The appendicular skeleton includes the...
by Sunday | Dec 24 | Biology JAMB
A. Cutting low bushes around homes B. Application of molluscicides in water bodies C. Screening windows and doors with mosquito nets D. Application of herbicides in water bodies Correct Answer: Option B – Application of molluscicides in water bodies Explanation...
by Sunday | Dec 24 | Biology JAMB
A. iron B. lead C. calcium D. magnesium Correct Answer: Option B – lead Explanation It’s discovered that tetraethyl lead (better known as lead) provided octane to gasoline, to fix knocking or pinging in engines that could damage them and waste gasoline....
by Sunday | Dec 24 | Biology JAMB
A. Micronucleus disintegrates B. Each ex-conjugant divides only once C. Macro nucleus undergoes division D. Each micronucleus divides twice Correct Answer: Option D – Each micronucleus divides twice Explanation In Paramecium, Conjugation is a form of sexual...